KOF: Maximum Impact (KOFMI) is a fighting game developed by SNK subsidiary Noise Factory and published by SNK Playmore for the PlayStation 2 in 2004. An enhanced version was released for both the Xbox and PlayStation 2 under the title KOF Maximum Impact: Maniax. The PS2 version of 'Maniax' was only released in Japan. Marketed as a spin-off of SNK's major fighting series The King of Fighters whence many of its characters originate KOF: Maximum Impact also contains elements of the Fatal Fury and Art of Fighting series. KOF: Maximum Impact is the first 3D fighter made by SNK since 1990s era's Fatal Fury: Wild Ambition and lastly Samurai Shodown: Warriors Rage for the PlayStation. The game was followed by KOF: Maximum Impact 2.